Congenital Heart Disease Quiz

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Questions and Answers

What is the primary difference between active and passive immunization?

Active immunization is administered through oral vaccines, while passive immunization is administered through injection.
Active immunization only provides short-term protection, while passive immunization provides long-term protection.
Active immunization is used for treating viral infections, while passive immunization is used for bacterial infections.
Active immunization stimulates the body to produce antibodies, while passive immunization involves the administration of ready-made antibodies. (correct)

What is the purpose of a booster dose in immunization?

To reduce the risk of allergic reactions to the vaccine components.
To counteract the adverse effects of the initial vaccine dose.
To replace the initial vaccine dose if it was ineffective.
To enhance and prolong the immune response by providing additional exposure to the antigen. (correct)

What is the characteristic of a live attenuated organism vaccine?

It is produced using recombinant DNA technology to deliver specific antigens.
It contains killed virus or bacteria, preserving their antigenic properties.
It involves the use of toxins that have been chemically modified to be non-toxic.
It is a weakened form of the virus or bacteria that can replicate in the body to stimulate a strong immune response. (correct)

What is the primary function of a toxoid vaccine?

To induce immunity against bacterial toxins by using modified, non-toxic forms of the toxins. (B) Signup and view all the answers

What is the role of DNA recombinant vaccines?

They use genetic engineering to produce specific antigens from the virus or bacteria, stimulating an immune response. (C) Signup and view all the answers